The people who brought new Apple devices after April 10th getting the chance for this warranty upgrade. Apple mentioned recently any of their apple devices losing the 20% battery life. Customer can go for the new battery upgraded. The reason behind this policy is most of the apple products consumes more power so usually users get the battery issues. For new customers and people who brought their new Apple devices after April 10th no need worry about the battery’s life Apple ready to take care about it.